| Edvardsen Bygg AS | Construction | 2019 |
| Edvinas Terentjevas AS | Construction | 2017 |
| Ef Gruppen AS | | 2021 |
| Ef Holding AS | Professional & scientific | 2005 |
| Effekt Invest AS | Administrative & support | 2022 |
| Effekt Regnskap AS | Professional & scientific | 2014 |
| Eg Holding AS | | 2005 |
| EG4 Consulting AS | Information & communication | 2025 |
| Egely AS | Construction | 2023 |
| Egge 1 AS | Water & waste | 2011 |
| EGI05 AS | | 2025 |
| EGI06 AS | | 2025 |
| EGI07 AS | | 2025 |
| EGI08 AS | | 2025 |
| EGI09 AS | | 2025 |
| Eglin AS | Transport & logistics | 2017 |
| Egrob Eiendom AS | Financial services | 2018 |
| Eha AS | | 2026 |
| Ei-Ko AS | Real estate | 1980 |
| Eialon AS | Professional & scientific | 2025 |
| Eidos Drift Holding AS | Real estate | 2020 |
| Eidra AS | Real estate | 2016 |
| Eidslunden AS | Real estate | 2017 |
| Eiendom & Utvikling AS | Real estate | 2011 |
| Eiendom Solutions AS | Real estate | 2023 |
| EIENDOM4U AS | Real estate | 2019 |
| Eiendoms Invest AS | Real estate | 2024 |
| Eiendoms Team AS | Real estate | 2002 |
| Eiendomsdrift AS | Real estate | 1999 |
| Eiendomsintress AS | Real estate | 1994 |
| Eiendomsinvest 1 AS | Real estate | 2025 |
| Eiendomskoden AS | Information & communication | 2020 |
| Eiendomsledelse AS | Professional & scientific | 2025 |
| Eiendomssenteret AS | Real estate | 1997 |
| Eifos AS | Real estate | 2015 |
| Eifos Eiendom AS | Real estate | 1995 |
| Eigandi AS | | 2025 |
| Eightytwenty Ventures AS | Financial services | 2022 |
| Eigul Elektro AS | Construction | 2015 |
| Eik Digital AS | Information & communication | 2024 |
| Eiker Bruk Eiendom AS | Real estate | 1954 |
| Eiker Maskiner AS | Real estate | 1988 |
| Eiketreet AS | Financial services | 2005 |
| Eikhaugen Bil AS | Wholesale & retail | 2024 |
| Eikveien Eiendom AS | Real estate | 2017 |
| Eimoe AS | Information & communication | 2012 |
| Eirik Wiklund AS | | 2023 |
| Eirini AS | | 2023 |
| Eitre AS | Professional & scientific | 2020 |
| Eiv Holding AS | | 2021 |
| Eivind Haukjem AS | Manufacturing | 1995 |
| Eivind Lærum Holding AS | | 2025 |
| Ek-Tech AS | Wholesale & retail | 2026 |
| Ekaii Hair AS | Other services | 2015 |
| Ekeberg Drift AS | Real estate | 2013 |
| Ekeberg Myhrene Skoger AS | Agriculture & fishing | 2017 |
| Ekelund Bilservice AS | Other services | 2014 |
| Eken Eiendom AS | Real estate | 2006 |
| Ekke's Holding AS | | 2022 |
| Ekko Bingodrift Nuf | Arts & recreation | 2014 |
| Ekneh AS | | 2021 |
| Eko Group AS | Wholesale & retail | 2025 |
| Ekom-Installatøren AS | Construction | 2015 |
| Ekonomy AS | Professional & scientific | 2023 |
| Ekornheia Barnehage SA | Education | 1990 |
| Eksbil AS | Wholesale & retail | 2024 |
| Ekspert Bygg AS | Construction | 2016 |
| Ekte Engler AS | Arts & recreation | 2023 |
| El-Kollegiet AS | Construction | 2025 |
| El-Total AS | Construction | 2009 |
| EL2R Invest AS | Real estate | 2025 |
| Elahi Engros Enterprise AS | Wholesale & retail | 2024 |
| Elahi Holding AS | | 2024 |
| Elbygg Takst AS | Construction | 1987 |
| Electro Management AS | | 2018 |
| Elektrikeren Drammen AS | Construction | 2014 |
| Elektro Installatøren AS | Construction | 2015 |
| Elektro-Huset AS | Construction | 2026 |
| Eleni Invest AS | | 2025 |
| Eleonoras Va SA | Water & waste | 2026 |
| Elfam AS | Administrative & support | 2016 |
| Elga Welding AB | Wholesale & retail | 1999 |
| Elgenius AS | Professional & scientific | 2015 |
| Eliesons Gate 4 AS | Real estate | 2016 |
| Elin E Men & Women AS | Other services | 2007 |
| Elin Fossland Interiørdesign AS | Professional & scientific | 2025 |
| Elin Oldebråten Holding AS | | 2024 |
| Elira AS | | 2022 |
| Elite Fightwear AS | Wholesale & retail | 2021 |
| Elite Forvaltning AS | Wholesale & retail | 2016 |
| Elite Invest AS | Real estate | 2017 |
| Elite Mat AS | Wholesale & retail | 2011 |
| Ellena Invest AS | | 2023 |
| Ellera AS | Information & communication | 2018 |
| Elleve Holding AS | | 2026 |
| Elm Holding AS | Real estate | 2015 |
| Elm NEWCO1 AS | Professional & scientific | 2016 |
| Elmi Holding AS | Financial services | 2015 |
| Elrey Invest AS | | 2023 |
| Elruts 76 AS | | 2025 |